Draft-rigging.



J. F. OCONNOR.

DRAFT RIGGING.

APPLICATION FILED JAN-2.1917.

Patented Apr. 15, 1919.

2 SHEETS--SHEET INVENTOR. EflZbWr BY A H wATTORNEY WITAEsssm J. F. OCONNOR.

DRAFT RIGGING. APPLICATION HLED lAN.2. 1917.

Patented Apr. 15, 1919.

2 SHEETS-SHEET 2.

IHHHH E RWWI YTNESSES:

' UNITEDSTATES OFFICE. 1

JOHN F: 3; E'Q GO, armors, Assienon TO'WILLIAM is; Mnwnmor GHAZY,

DRAFT-RIGGING. V

To all whom z'tnay concern:

part of this specification.

This invention relates to improvements in draft rigging. I I V The object of the inventionis to provide ahighcapacityspring gear having a graduated'action and with all the paitscompactly arranged. p

. Afurther object of the invention is to provide a draft gear having a plurality of shock absorbing units arranged in parallel with means for utilizing a part only of said-units for a predetermined .portion of the entire stroke and then utilizing all of the units for the remainder of the-stroke. v 1

In the drawing forming a part of this specification, Figure 1 'is acentral vertical longitudinal'section of a draft rigging show ing my improvements in' connection therewith. Fig. 2-is ahoriz ontal sectional view taken substantially on theline 2 -2 of Fig. .1-.' Fig. 3 is a transverse, vertical sectional view taken substantially on the line '3-3 of Fig. 1. Fig. 4 is a perspective view of one of the auxiliary followers employed. with .saidarrangement Figs. 5 and 6 are views corresponding respectivelywith Figs. 1 and 4, but: illustrating :another embodiment of the invention. y

In saiddrawingand referring first tothe structure illustratedin Figs.u1-to- 4, 10 -10 denote "center or draft sills of a ra lway car to which are secured stop castings having rear stop shoulders,11,front stop shoulders 12 and corresponding limitingstop shoulders I 7 13 and14. The drawba'r15 isloperatively connected to v the. draft; gear, proper, hereinafter described, by a horizontal yoke16, the latter having; a-' coupler key connection 17 with the draw bar.

.The improved gear, as shown, comprises a main front follower wh1ch, fo-r convenience in assembling, 1s composed-of an: upper member 18 and a lower member 18?; a rear follower also composed of an upper member I specification of Letters Patent: 1 Applicationfiled January 2,1917,- Serial No. 14o,o35.-;

Patented Ant. 15311919.

19 and lower member 1 front auxiliary follower 20 a -rear auxiliar follower 21, andtr ple shock absorbing units in the form of three springs 22, 23 and 24 arranged with their axesiparallel and one above the other. Each of said springs preferably consists of an outer, heavy coil and an inner nested coil, the latter. being mounted on suitable bosseson the innerface of the followers.

The upper and lower. springs22 and 24 directly engage the main followers, the upper .spr1ng 22-engagingthe portions 18 and 19 and the lowerspr ng the portions 18 and 19 of said followers; The centralspring is V seated upon inwardextensions 20 and;21, respectlvely of the auxiliary followers, which extensions 2O and=2l pass between the upper'and lower portions of each of the main followers. Each of the extensions of the auxiliary followers is provided-[at its inner end with upwardly and downwardly extended flanges 25 -25 that overlap the adjacent portions ofthe main :fol-

lowers and thus limit the outward movement of the; auxiliary followers .with respect to the ,main followersg clearly shown in Fig.- 1, the auxiliary. followersf20 and 21 tance from the main followers and in actual can be readily taken down vwithont removing the draw bar-by firsttaking-o-fl' the saddle plate, then withdrawing the lower members 18 and 19* of the main followers with the spring24, then withdrawing the auxiliary followers with the central spring 23,

then withdrawing the yoke downwardly, af-

finally withdrawing the upper-portions of the main followers together with the upper The operation is as follows; Upon in-. ward movement of the draw bar, the frontauxiliary follower 20 will be forced inwardly for the predetermined preliminary movement, thus compressing the central spring 23'while the upper and lowersprings 22 and 24 remain; inactive. When the front so .arenormally spaced a predetermineddis fiter first removing the coupler key. 17 and follower;

V sprin 's Will thereafter be COIHPI'QSSQdSlHLUltEL 1169- 3 y until the full stroke isaccomplished Under'drft; the Trout i mixiiiery and followers remain stationary and the rear auxiliary follower '21 Will first .be ;moved =,g thus compressing the central spring" untll'fjfl. said .front auxiliary follower engs agges v the;

i'e'ar i'n aiii folltiv fer; Thereafter all three springs Will be compressedsiihflltaheOT-isl? until the limit of the draft stroke. e, 4 the ee'nstruetien "illustrated in Fi'gs.'=5 7' anoint-he erreirgereemer "sills end'srops is substantially-the same as 'fihet shown in the ether-figures. "In this the from end iear'maiirrerlewers are fer-meal in separate portions 118 and 11 8 end 11 9 end 11w,

Ire -tl 1'erebetween,said yoke being also keyed tjorhe draw bwr; In this @blltillftflOfl, the "auxilizfiry"fellciWersAQO eird 121 instead of f'extefiding ehrbngli ithe main renewere as th 'eeher-eenstrnetien ever -lep ehe rer- With-upperf arrdglower inwardly-directed 'e'xtensions j 120? end; 1 21;, respeetively; At

' their-inner eedgeeeh ereeiei extensions 120* and; 1 21s is preyided with e vertically ex tendii'i g fla ge" I25 tlmtever -ieps .the ad-- order te eveeommedsvte til-1e herizon eal yoke 20 illns n tivef an all eh nge s tl1i1t come Within thesoope I iinfdli nod-ifimitrons- I e of the claims appended hereto; e

i .i I: i f; i

Witlistoip membergof main followersooopieinnhlegwith said stop members, auxiliary followers slid'eble with respect to themain folk lowers end extending forwardly-and rearle'welsand for this wipe-Se: are. provided.

zr'cent-xelenrent' ef-"eh'e main fellewer;

u perand 1ewer-spri ng1 22end 12% are "seated agai st theefitensiohs mo er-rd 1'21 of, the auxiliary reHewer whereas the cenm1 spring 123 is directly sesrteden the main 'folleweief As in the eens'truetien' muse I time in Figs-" 1' 66 4,11% auxiliar fbllw'fers farehormelly"""earated 'f-ifro m' the i1; *fellewersie predetermined 1 distance; I

he 'eperati en' of the-1 eenstruetmn illnsshock absorbing units is such that the same I mewtir reeeeie desefipeiei it will be nieyeee p1eyedi in ears having stiindard sill seaming a d the usual spacing between ffrent andjrearjstops thusgiving a gear of .lfi h gm"t f f ei ei hf 1"; V r

j n yeonsid rtm preferred manneroff-earry- (r ontiiiyinvention, but the same is merel o f -sheek wbsorbiiigg innits interposed between main: feiikew-ers end jin eegrwl eeepeie eing r anrepiver e; re'werj membe ianfl euxflmi fieli wez associated-w th *eeeirnrein follower-1 end he vmg limiting-sliding mevefirent in- 1 w h d if l 'fi v s m ji w re fryerxrher'e, er main feiiewerseoopereble with sa d-ste memberseeeh main "feiiewer 'Coh'nfthe mem relievers:

Wardly thereof; respectively, and 'a 'p'liira'lity the main and auxiliary followers, certainof said units being vt tlmted directly by the auxiliary followers ame {the so means en zeweh set or mean and airiili e ry fiollowe rs to limit "relative sepere tientheveef.

2. In e draft rigg'ingthe combination with sills and ifrentjend'reer seeps meuntecl @lrereen, ere drew me, e hefizontal yoke, me-in -reHeWer-s weiiperable with said stops, said main followsbeing-fioriiied in ri per lower seeelens disposed eflerove and below said yoke, an mail-retry reliever ee s-aerated withee'eir-mein fieliewer, eed a 'pitire-lity of sheet: ebserbing' interprised between said rell'owers, the auxiliary followers having, limited never-refit indep'endenflykeftireir eerrespenling roll e/were and memento ecreate a part only or 95 said mite 'rlrutnir limited movement While remainder er the units are five; all of mite being simni eeneeeel "operated after the in depenflent mevei'nent ofthe auxiliarf teilewere; Iii it (11% t rigging, com 'iniition with *drai't sills n vi'ngrrent and" see s firemen, of main fellewers eeepeeeible with "sel er stofis, "emimain rellowereerflpri' depend-many thereef; :enel triple armnged springs interpese e1 between s id main end auxiliary ffeiiewers, er-re f" sea-"e1 "wings lee-110' 4, In a ereefigg iiigg eonibineition 11s prising ehnep'er end it *lewer memeer, 3e11- en'xiiiei-y tell-emf ir sseeiegeeel with each m in 1 20 felle wer end independenfly 'mevaeie thereef tor a redetermined distance, a sheenee l jrsiorbingnnit in direct enga ement with tlre v euxflier v telhwergefid pen e15 shook ale sorbing 7 un s in direct j engagement with 51111 a riggingftire e enibi netion' f dieft sills having front-mid ,reer steps .lfiisrsq y 'm ia' foli e s Wr wi "saldst'eps, a peir'ef inter ese'd be- .130

' tween said main stops and directly engaging operated independently of the other two the latter, said springs being located one springs when the auxiliary followers are 10 above the other an auxiliary follower assomoved relatively to'the main followers.

ciated with each main follower and slidable V In witness that I claim the foregoing I independently thereof for a predetermined have hereunto subscribed my name this 29th distance, and a spring interposed between day of Dec. 1916.

the auxiliary followers and directly engaging the latter, said last namedspring being JOHN F. OCONNOR.

Copies of this patent may be obtained for five centseach, by addressing the Commissioner 015 Iatents. Washington, D. 03,. 

